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huyentrantran


Giải bất phương trình : confused:
a) [TEX]\frac{x-1}{99}+\frac{x-3}{97}+\frac{x-5}{95}<\frac{x-2}{98}+\frac{x-4}{96}+\frac{x-6}{94}[/TEX]
b) (2x+3)(2x-1)>4x(x+2)
c) 5(x-1)-x(7-x)<x^2
a) [TEX]\frac{x-1}{99}+\frac{x-3}{97}+\frac{x-5}{95}<\frac{x-2}{98}+\frac{x-4}{96}+\frac{x-6}{94}[/TEX]
b) (2x+3)(2x-1)>4x(x+2)
c) 5(x-1)-x(7-x)<x^2
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